<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="login_avatar">
        <img src="@/assets/logo.png" alt="" />
      </div>
      <!-- 登录表单区域 -->
      <el-form
        label-width="0px"
        class="login_form"
        :model="loginForm"
        :rules="loginFormRules"
        ref="loginFormRef"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            prefix-icon="el-icon-user"
            v-model="loginForm.username"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            prefix-icon="el-icon-user"
            v-model="loginForm.password"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import { loginApi } from '../../api/login'
export default {
  data () {
    return {
      // 登录表单绑定的数据对象
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 表单校验
      loginFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 5, max: 12, message: '长度为5到12个字符', trigger: 'change' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度为6到15个字符', trigger: 'change' }
        ]
      }
    }
  },
  methods: {
    resetLoginForm () {
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        console.log(valid)
        if (!valid) return false
        const { data } = await loginApi(this.loginForm)
        console.log(data)
        if (data.meta.status !== 200) {
          return this.$message.error('登录失败!')
        }
        this.$message({
          message: '登陆成功',
          type: 'success',
          showClose: true
        })
        console.log(data.data.token)
        sessionStorage.setItem('token', data.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
  .login_box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 5px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    .login_avatar {
      width: 130px;
      height: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #eee;
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);
      background-color: #fff;
      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }
  }
}
.btns {
  display: flex;
  justify-content: center;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 50px;
  box-sizing: border-box;
}
</style>
